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how to include write-in option after drop-down option in html or javascript. As an example in the coding below,
<select>
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="vw">VW</option>
<option value="audi" selected>Audi</option>
</select>
But the user's choice wasn't in the list given (e.g. Honda). so he/she can write their option in 'others' option.
Apologies for my english. Thanks in advance.
It seems you may want to use the <datalist> along with an <input>, which offers the functionality you're looking for; in the below example if the user types S then the option of Saab will show up which can be selected, or the user can continue to type to add a new option to the list:
<datalist id="carOptions">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="vw">VW</option>
<option value="audi" selected>Audi</option>
</datalist>
<input type="text" name="automaker" list="carOptions" />
While this may not be precisely what you're hoping for it does offer the functionality you require without a dependence on JavaScript.
References:
* <datalist>.
* HTMLDataListElement.
You can easily do that with jquery.
$('#dropdownId').append($('<option>', {
value: -1,
text: 'None of them work for me..'
}));
And just handle the case when the value is -1
Related
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I have a select dropdown:
<select onChange={(e)=> console.log(e.target.id)} id="cars" name="carlist" form="carform" >
<option id="a" value="volvo">
Volvo
</option>
<option value="saab">Saab</option>
<option value="opel">Opel</option>
<option value="audi">Audi</option>
</select>
I would like to get the ID a when selecting 'volvo' from the dropdown, thus getting the ID of the option, how can I achieve this?
The reason why I'm trying to get an id is because this dropdown can have multiply options with the same name (they would be separated by a line)
Use the selectedIndex to get this.
var getId = document.querySelector('#cars');
console.log(getId.options[getId.selectedIndex].id);
You can have the pass the reference of 'this' and get it from there.
something like the below answer
How to get selected option ID with Javascript not JQuery
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I'm trying to implement this type of dropdown on my page. Any help would be highly appreciated.
You can use the <datalist> element to take advantage of HTML5's native drop-down menu implementation.
Working Example:
<input list="adventure" name="myAdventure" placeholder="Start your search by typing 'Location' or 'Activity'" size="45">
<datalist id="adventure">
<option value="Location - Azad Kashmir">
<option value="Location - Balochistan">
<option value="Location - Chitral / Kalash">
<option value="Location - Fairy Meadows">
<option value="Location - Hunza / Gilgit">
<option value="Location - Islamabad">
<option value="Activity - Beach">
<option value="Activity - Cliff Diving">
<option value="Activity - Cultural Tour">
<option value="Activity - Desert Safari">
<option value="Activity - Moutaineering">
<option value="Activity - Paragliding">
</datalist>
You could make use of a jQuery plugin, such as jQuery UI's Autocomplete component.
Enables users to quickly find and select from a pre-populated list of values as they type, leveraging searching and filtering.
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I've three select-box here. How can I make this.
<select class="form-control input-lg">
<option value="1">abcd</option>
<option value="2">efgh</option>
<option value="2">ijkl</option>
<option value="2">mnop</option>
</select>
<select class="form-control input-lg">
<option value="10">desk</option>
<option value="20">pen</option>
<option value="30">pc</option>
</select>
<select class="form-control input-lg">
<option value="100"></option>
<option value="200"></option>
<option value="300"></option>
</select>
Fundamentally this is an event driven question.
You want to populate the secondary select based on the first. You can do this with a jquery change event.
http://api.jquery.com/change/
On change, you initiate a callback function that populates the second select box, from there the population of the third is just the same concept.
A high level explanation is as such:
<select id="select1" class="form-control input-lg">
<option value="1">abcd</option>
<option value="2">efgh</option>
<option value="2">ijkl</option>
<option value="2">mnop</option>
</select>
<select id="select2" class="form-control input-lg">
</select>
<script>
$('#select1').change(function(){
alert("Something has changed");
// RUN SOME OTHER FUNCTION TO POPULATE THE SECOND SELECT BOX
// Grab the dom element of the second select
var select2 = $("#select2");
// iterate your data, here an array with an element, and populate the select element
$.each(['some data'], function() {
select2.append($("<option />").val("Something").text("Something else"));
});
})
</script>
Note: For this you will obviously have to include JQuery library in your code
This is also considerably inefficient, but the improvements would take too long to explain in such an open question.
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I have a select item with in there a few options, and one of them is called "other..". What I want is that when a user clicks on "other.." a textarea will appear, I know this can be done with jQuery. Here is a short and simple version of my HTML:
<html>
<body>
<select>
<option value="opt1">Option 1</option>
<option value="opt2">Option 2</option>
<option value="opt3">Option 3</option>
<option value="opt4">Option 4</option>
<option value="other">Other..</option>
</select>
<input type="text" id="other_text" />
</body>
</html>
Add the change event to your dropdown list, which will toggle the text field if the selected value is "other":
$('select').on('change', function() {
$('#other_text').toggle(this.value === 'other');
});
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I need to add some default text to a HTML select box. The placeholder tag which works with input doesn't seam to work whit this one?
This works
<td><input type="text" placeholder="<?php echo $lang ['your_website']; ?>"/></td>
This doesn't work
<td><select type="text" placeholder="<?php echo $lang ['select']; ?>"/></td>
How can I fix this?
Are you looking for the selected attribute?
<select>
<option selected="selected">Select Country</option>
<option>United States</option>
<option>Mexico</option>
</select>
See: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/option
I think you can use it like this:
<select>
<option selected="selected">Default Option</option>
<option>1</option>
<option>2</option>
</select>
ie, use selected="selected" for the option you want to be the default.
or you may try this:
<select>
<option value="" disabled selected>Default Option</option>
<option value="1">1</option>
</select>